505500511080 has 128 divisors (see below), whose sum is σ = 1520353411200. Its totient is φ = 134458232832.

The previous prime is 505500511079. The next prime is 505500511133. The reversal of 505500511080 is 80115005505.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85718692 + ... + 85724588.

It is an arithmetic number, because the mean of its divisors is an integer number (11877761025).

Almost surely, 2^505500511080 is an apocalyptic number.

It is an amenable number.

505500511080 is an abundant number, since it is smaller than the sum of its proper divisors (1014852900120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505500511080 is a wasteful number, since it uses less digits than its factorization.

505500511080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

Adding to 505500511080 its reverse (80115005505), we get a palindrome (585615516585).

The spelling of 505500511080 in words is "five hundred five billion, five hundred million, five hundred eleven thousand, eighty".